A useful viewpoint to understand our results is to consider the different types of contributions that affect the distributions. Roughly speaking, even at parton level, the behaviour of the distributions at low values of the observables strongly
depends on the details of the treatment of radiation in the infrared region, e.g. the parton-shower cutoff or the Landau pole
in the resummation. This region is characterised by large non-perturbative corrections, mostly due to hadronisation. The size of the region depends on the angularity exponent \(\alpha \) , the presence of grooming and the considered transverse momentum region.
Following the analysis of, e.g.,
Refs. [1]}, [2]} we can estimate the
region of large non-perturbative corrections to be

ungroomed jets or SoftDrop jets with \(\alpha \le 1\) :     1 (NPpT,jet R0 )(,1) ,
